Question

HELP FOR NUMBER 16 THROUGH 19 QUICKLY PLEASE

Answer 1

16)  9y+2r     If she bought 1 dog toy and 2 treats: 9(1)+2(2)= 13
17)  5n-3n= 2n
        17-2+7= 22   Combine like terms
         2n+22           Write out expression
        2(8)+22= 38   Plug in 8.
        Answer: 2n+22; 38
18)  5h^3   h represents the # of weeks; Find # of tickets sold in 3 weeks:h=3
       5(3)^3    plug in 3
       5(27)      PEMDAS; Exponents first; 3*3*3= 27
       Answer: 135         
19)  It is true
       If d=2, 5(2)*5(2)*5(2)= (5*2)^3
       10*10*10=(10)^3
        1,000=1,000

Answer 2

16) 9t+2x
T standing for cost Per toy
X standing for cost per treat
Be sure to include this to get full credit.
17) 5(8)+17-3(8)-2+7
40+17-24-2+7
57-24+5
33+5=38
Please include all work to receive full credit
18) 5(3)^3
3,375
Mrs.Cuiman has sold 3,375 tickets in 3 weeks
Please include the sentence above to receive full credit.
19) yes,this statement is true because an exponent is when a number and/or variable is multiplied more than once by itself.In this case the exponent is 3 in which 5d is multiplied by itself 3 times.

Hope this helped